<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>背景图片</title>
    <style>
        div {
            width: 300px;
            height: 300px;
            /* background-color: orange; */
            /* background-image: url(images/logo-public.png); */
            /* background-repeat: repeat-y; */
            /* background-repeat: repeat-x; */
            /* background-repeat: no-repeat; */
            /* background-position: center center; */
            /* background-position: bottom center; */
            /* background-attachment: scroll; */
            background: orange url(images/logo-public.png) repeat-y top center scroll;
        }
        .test-h3 {
            width: 118px;
            height: 40px;
            line-height: 40px;
            font-size: 14px;
            font-weight: normal;
            background-image: url(images/title_sprite.png);
            background-repeat: no-repeat;
            background-position: left center;
            padding-left: 28px;
            background-color: pink;
        }
    </style>
</head>
<body>
    <div>
    </div>
    <h3 class="test-h3">成长守护平台</h3>
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</body>
</html>